Positive:
* The company implemented drastic changes to its marketing strategy, which led to a significant increase in sales.
* After a drastic makeover, the old house looked brand new.
Negative:
* The government took drastic measures to combat the rising inflation, but they had unintended consequences.
* The environmental crisis requires drastic action to prevent irreversible damage.
Neutral:
* Her drastic weight loss surprised everyone.
* The scientist proposed a drastic new theory to explain the phenomenon.
Remember: "Drastic" implies a significant and often sudden change. It can be used for both positive and negative situations.